Home / 147,177,789.93-203,096,197.20-81,094,590.10

Finding the Fourth Proportional to 147,177,789.93, 203,096,197.20 and 81,094,590.10

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Solution

The fourth proportional to 147,177,789.93, 203,096,197.20 and 81,094,590.10 is: 111,905,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,177,789.93 : 203,096,197.20 = 81,094,590.10 : x
  2. Step 2: Convert to fraction form
    147,177,789.93/203,096,197.20 = 81,094,590.10/x
  3. Step 3: Cross multiply
    147,177,789.93x = 203,096,197.20 × 81,094,590.10
  4. Step 4: Simplify right side
    147,177,789.93x = 16,470,002,862,802,766
  5. Step 5: Solve for x
    x = 16,470,002,862,802,766/147,177,789.93
  6. Step 6: Final answer
    x = 111,905,491.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.